L102 Meter Black Metallic Version Small

I bought this with the intention of using it, but it has been left in a dry cabinet.
It has been confirmed to operate without any issues.
The exposure accuracy is generally correct, but the narrow field of view and spot metering mean it doesn't quite match digital cameras.
The outer box and charging cable are not included. Please understand.

Size: 27*30*13mm (main body)
Metering Angle: 32° (reflected)

ISO: 6-6400
Shutter Speed: 8s - 1/2000
Aperture: F1 - F64
Metering Range: 2 - 18EV
Exposure Compensation: ± 3 stops
Battery: 120mAh, approx. 20 hours of use
Modes: Shutter Priority, Aperture Priority, EV Value Display

Parameter Range:
ISO: 6, 12, 25, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 600, 800, 1600, 3200, 6400

Aperture Priority Mode:
F: 1, 1.2, 1.4, 1.8, 2, 2.4, 2.8, 3, 3.2, 3.5, 4, 4.5, 5, 5.6, 6.3, 7.1, 8, 9, 10, 11, 13, 14, 16, 18, 20, 22, 26, 28, 32, 36, 40, 45, 52, 56, 64
T (Shutter Speed): 1, 2, 3, 4, 5, 6, 8, 10, 13, 15, 20, 25, 30, 40, 50, 60, 80, 100, 125, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1250, 1600, 2000

Usage:
1. It is recommended to charge before use.
2. The metering button can activate the screen and perform a single metering. A blinking cursor indicates that the metering result has been updated.
3. If the cursor on the metering interface is set to the aperture value, aperture priority is selected. If it is set to the shutter speed, shutter priority is selected.
At this time, press the plus and minus keys to adjust the parameters for the corresponding mode. The metering results will continue. If you need
to meter again, press the metering key again.
4. The settings button can be used to switch between the ISO, metering mode, and exposure compensation interfaces. The metering button will return to its function.
5. When the metering data display exceeds the parameter range, it will show e.u.